D4615: wireprotov2: declare command arguments richly

[durin42 (Augie Fackler)]

durin42 added inline comments.

INLINE COMMENTS

> wireprotov2server.py:547
> +
> +       ``required``
> +          Bool indicating whether the argument is required.

https://phab.mercurial-scm.org/D4617 no longer exists, so I'm taking this change as-is, but expect a follow-up (at least conversation) about the default-vs-required business.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D4615

To: indygreg, #hg-reviewers
Cc: durin42, mercurial-devel